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9030773 Sensing temperature at a slider protrusion region  
An apparatus includes a near-field transducer at or near an air bearing surface of the apparatus. A write pole is disposed at or near the air bearing surface and proximate the near-field...
9025422 Plasmon generator having flare shaped section  
The present invention relates to a plasmon generator, in which a surface plasmon is excited by application of light. The plasmon generator extends along one direction. The plasmon generator...
9013963 Flex circuit with dual sided interconnect structure  
A flex circuit including a dual sided interconnect structure to connect electrical components on a head or suspension assembly to head circuitry is described. The dual sided interconnect structure...
8942071 Color storage and transmission systems and methods  
A system comprises a writer to form a plurality of color mits on a base material, wherein at least one of the color mits may represent computer-readable instructions comprising data other than...
8885447 Glass for magnetic recording medium substrate, glass substrate for magnetic recording medium, and their use  
An aspect of the present invention relates to glass for a magnetic recording medium substrate, which comprises essential components in the form of SiO2, Li2O, Na2O, and one or more alkaline earth...
8842503 Variable bit aspect ratios in magnetic media  
An apparatus comprises a write transducer, an energy source, and a controller. The write transducer is configured to write data to a magnetic recording medium, and the energy source is configured...
8837071 Sensing temperature at a slider protrusion region  
An apparatus includes a near-field transducer at or near an air bearing surface of the apparatus. A write pole is disposed at or near the air bearing surface and proximate the near-field...
8824247 Bonding agent for heat-assisted magnetic recording and method of application  
Magnetic write heads for heat-assisted magnetic recording (HAMR) are disclosed that include a laser diode having a light emitting edge or surface mounted on a slider, an optical waveguide, and a...
8773957 Disk drive destabilizing magnetization of test pattern using head laser to enhance defect detection  
A disk drive is disclosed comprising a head actuated over a disk, wherein the head comprises a write element, a read element, and a laser operable to heat the disk while writing data to the disk....
8760977 Systems and methods for data write loopback based timing control  
Systems and methods related to writing data to a storage medium. In some cases, a heat assisted loopback circuit is used that includes: a read circuit, a magnetic write circuit, a heat write...
8711661 Bi-directional pattern dependent noise prediction  
A method performed by a disk drive, comprising: receiving a plurality of signal samples over a channel in the disk drive; executing a forward pattern-dependent noise prediction (PDNP) operation on...
8675456 Method of writing data with binary anisotropy media  
A method of writing binary data comprising (i) heating a magnetic microstructure from an initial temperature to an above-ambient temperature that is not less than a transition temperature for the...
8619535 Thermally assisted recording head having recessed waveguide with near field transducer and methods of making same  
An apparatus according to one embodiment includes a near field transducer comprising a conductive metal film; and an optical waveguide for illumination of the near field transducer, a light...
8599652 Thermally-assisted magnetic recording medium and magnetic recording/reproducing device using the same  
A thermally-assisted magnetic recording (TAMR) medium of the present invention includes: a magnetization direction arrangement layer on a substrate; and a magnetic recording layer on the...
8593797 Display device  
A display device includes a display portion, a cantilever, a rotating disc unit, a base, and two cables. The cantilever has an upper end connected with the display portion, allowing the display...
8576671 ABS design with multiple heaters  
A TAMR (thermal assisted magnetic recording) equipped DFH (dynamic flying height) type slider ABS design, when operating in a HDD (hard disk drive) produces exceptional low pressure/stiffness for...
8570842 Tar with write-synchronized laser modulation  
Instead of using discontinuous step functions or pulses to drive a laser of a TAR enabled disk drive between on and off, a fixed modulation frequency may be used that alternates between a high and...
8565047 Systems and methods for data write loopback based timing control  
Various embodiments of the present invention provide systems and methods for data writing. As an example, a heat assisted loopback circuit is discussed that includes: a read circuit, a magnetic...
8558418 Voice coil motor  
A voice coil motor (VCM) includes a lens carrier physically connected to a magnetic device, an electromagnetic driving apparatus, constructed by a coil, a magnetic sensing element, a storage media...
8537643 Light source chip and a thermally assisted head with the same, and manufacturing methods thereof  
A manufacturing method of a light source chip for a thermally assisted head comprises steps of (a) providing a light source bar with a surface coating formed thereon; (b) forming several blind...
8509039 Thermally-assisted recording (TAR) disk with low thermal-conductivity underlayer  
A thermally-assisted recording (TAR) disk has an improved insulating layer beneath the chemically-ordered FePt (or CoPt) alloy recording layer. The insulating layer is a solid substitution...
8498182 Wrap-around antenna design for improved performance in thermally-assisted magnetic recording  
The presented embodiments generally relate to designing an antenna of an optical transducer (e.g., a near-field transducer or near-field optical source) that focuses the optical energy of a...
8483019 Magneto-optical device with an optically induced magnetization  
A magneto-optical device (MOD) with optically induced magnetization for use in magnetic field sensors as a magnetic element pinning a magnetization in a preferred direction of a ferromagnetic...
8465658 Method of forming main pole of thermally-assisted magnetic recording head  
In a method of forming a main pole, an initial accommodation layer is etched by RIE using a first etching mask having a first opening, whereby a groove is formed in the initial accommodation...
8451696 Temperature sensor in a thermally assisted magnetic recording head  
A method and apparatus for providing a signal for driving a heating element in a TAR or HAMR enabled disk storage system that includes an optical transducer (or near-field optical source) for...
8437240 Ferroelectric recording medium and method of manufacturing the same, information processing device, and method of processing information  
A ferroelectric recording medium includes a ferroelectric recording layer on an electrode layer, which includes an insulative layer on the ferroelectric recording layer, and includes...
8431911 HDD pattern apparatus using laser, E-beam, or focused ion beam  
A method and apparatus for manufacturing magnetic storage media is provided. A structural substrate is coated with a magnetically active material, and a magnetic pattern is formed in the...
8416648 System and method for forming a servo pattern on a media master  
Producing a servo pattern on a media involves rotating a master, and during a first revolution of the master, forming a first transition at a first radial position on the master, and forming a...
8406089 Heat-assisted magnetic recording head with laser diode fixed to slider  
A heat-assisted magnetic recording head includes a slider, an edge-emitting laser diode fixed to the slider, and an external mirror provided outside the slider. The slider includes a magnetic...
8400884 Method of manufacturing plasmon generator  
A method of manufacturing a plasmon generator includes the steps of forming an accommodation part and forming the plasmon generator to be accommodated in the accommodation part. The step of...
8396345 AV information reproducing system and a reproducing method applied to the same system  
In a system for reproducing AV information from a recording medium, such as a DVD, not only are usual titles reproduced, but also related information relevant to specific stream information is...
8395971 Heat-assisted magnetic recording head with laser diode fixed to slider  
A heat-assisted magnetic recording head includes a slider, an edge-emitting laser diode fixed to the slider, and an external mirror provided outside the slider. The slider includes a magnetic...
8395972 Thermally assisted magnetic head, head gimbal assembly, and hard disk drive  
A thermally assisted magnetic head is formed by performing a head forming process, a mounting part forming process and a light source mounting process in that order. In the head forming process, a...
8315128 Heat assisted magnetic recording system  
Various embodiments of the present invention provide apparatuses, systems and methods for heat assisted magnetic recording. For example, an apparatus is disclosed that includes a signal generator...
8299746 Move-sled-home device and method for use in optical disc drive  
A move-sled-home device is used in an optical disc drive. The move-sled-home device includes a processing unit, a motor actuator, a sled, a sled motor, and a current-detecting unit. The processing...
8274865 Master disk for magnetic recording medium  
A master disk for batch transferring of predetermined information recorded therein to a magnetic recording medium includes a substrate transmitting laser light, and convex portions provided on the...
8264788 Discrete track media (DTM) design and fabrication for heat assisted magnetic recording (HAMR)  
An apparatus includes a recording media including a substrate, a plurality of tracks of magnetic material on the substrate, and a non-magnetic material between the tracks; a recording head having...
8248890 Thermally-assisted head including surface-plasmon resonant optical system  
Provided is a surface plasmon resonating optical system emitting near-field light (NF-light) with a higher light density. The system comprises: a waveguide through which a light for exciting...
8169881 Thermally assisted recording head having recessed waveguide with near field transducer and methods of making same  
According to one embodiment, an apparatus includes a near field transducer comprising a conductive metal film having a main body and a ridge extending from the main body and an optical waveguide...
8149652 Compensating the effects of static head-media spacing variations and nonlinear transition shift in heat assisted magnetic recording  
An apparatus comprises a storage medium, a recording head, a source of electromagnetic radiation, and a control circuit for modulating the source of electromagnetic radiation in response to a...
8120996 Device and method for microstructuring a storage medium and storage medium comprising a microstructured region  
A device providing for microstructuring a storage medium includes a radiation source for producing an at least partially coherent beam from electromagnetic radiation, a modulator provided with a...
8116177 Optical pickup and disc drive apparatus  
An objective-lens driving device includes a fixed block fixed to a moving base, a movable block having a lens holder configured to hold objective lenses, support springs configured to connect the...
8077556 Thermally assisted magnetic head, head gimbal assembly, and hard disk drive  
A thermally assisted magnetic head has a medium-facing surface facing a magnetic recording medium; a near-field light generator disposed on a light exit face in the medium-facing surface; a...
8040712 Information memory device and memory medium  
An information memory device using an electromagnetic-wave resonance phenomenon is provided to achieve both high density and long-period storage of stored data. Memory cells are...
8031562 Master disk for magnetic transfer, a method of drawing a magnetic transfer pattern, and a magnetic recording medium having a transferred magnetic transfer pattern  
A master disk for magnetic transfer of a reference servo signal in a spiral mode, having a pattern including a plurality of dots groups, which are disposed at different radial positions of the...
7911882 Thin-film magnetic head with near-field-light-generating layer  
A thin-film magnetic head that has a configuration in which the element-formed surface and the opposed-to-medium surface are perpendicular to each other, and a light source is sufficiently...
7910233 Magnetic recording medium for thermally assisted recording  
A magnetic recording medium for use in a thermally assisted recording system is disclosed. The magnetic recording medium comprises at least a magnetic layer, a protective layer and a lubricant...
7876646 Thermally assisted magnetic head, head gimbal assembly, and hard disk drive  
A thermally assisted magnetic head comprises: a slider substrate, a first surface located opposite to a medium-facing surface, and side surfaces located between the medium-facing surface and the...
7864635 Recording head  
It is an objective that the optical loss and the number of optical components are reduced in an optical recording head using a near-field where a laser beam is guided from a light source to the...
7688036 System and method for storing energy  
A self-recharging battery comprising a generator and an energy storage device contained within the battery case. The generator comprises a magnetic structure configured to generate a compressed...

Matches 1 - 50 out of 167 1 2 3 4 >